This antenna with ground plane kit is rofessionally designed to be used in the 144/430 MHz frequency range bands, so it will easily pick up signals from both 2 meter and 70 centimeter bands; Compatible with VHF UHF Band Marine Boat VHF Radio, Mobile Radio, Ham Radio, GMRS Radio, Walkie Talkies, Two Way Radio etc...（Not for 27MHz Radios Devices） Compatible with a variety of radios, including BTECH, ICOM, Kenwood, Midland. Yaesu.TYT, AnyTone, Cobra, Uniden Amateur radio two way radio and BaoFeng Mobile Radios, Marine Boat VHF Radio etc... Antenna Feature: Magnetic Base Mounting(Not NMO BASE MOUNT); Antenna Length: 41cm/16.1inches; Antenna Cable: 4m/13.1ft RG58/U Cable;Cable End Connector: UHF PL259 Male Plug；Impedance: 50 ohm; Adapter: SO239 to SMA Female Adapter; Packing including: 1 x Whip Soft Antenna, 1 x Magnetic Base with 13.1ft RG58/U Cable,1 x SO239 to SMA Female Adapter; Don't worry about any problems, we have carefully checked each product, Any questions, please feel free to contact us, will reply within 24 hours;  No matter what brand you have, as long as the band and connector and antenna match, then it's all good to go!Frequency Range: 136-174MHz 400-470MHz;

Gain: 8dBi;

VSWR<1.8;
Polarization:Linear Vertical;

Direction:Omni-directional;

Feature: Magnetic base mounting;

Cable length: 4m/13.1ft RG58 Cable;

Operating Temperature: 40°С ~ +85°С;

Storage Temperature: -40°С ~ +85°С ;